IWL_RX_MPDU_STATUS_DUPLICATE
is_dup = !!(desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE));
mpdu_desc->status |= cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE);
if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE))